ViewAjaxTest.php

<?php

namespace Drupal\Tests\views\Functional;

use Drupal\Core\EventSubscriber\MainContentViewSubscriber;

/**
 * Tests the ajax view functionality.
 *
 * @group views
 */
class ViewAjaxTest extends ViewTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_ajax_view',
        'test_view',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = [
        'views_test_config',
    ]) : void {
        parent::setUp($import_test_views, $modules);
        $this->enableViewsTestModule();
    }
    
    /**
     * Tests an ajax view.
     */
    public function testAjaxView() {
        $this->drupalGet('test_ajax_view');
        $drupal_settings = $this->getDrupalSettings();
        $this->assertTrue(isset($drupal_settings['views']['ajax_path']), 'The Ajax callback path is set in drupalSettings.');
        $this->assertCount(1, $drupal_settings['views']['ajaxViews']);
        $view_entry = array_keys($drupal_settings['views']['ajaxViews'])[0];
        $this->assertEquals('test_ajax_view', $drupal_settings['views']['ajaxViews'][$view_entry]['view_name'], 'The view\'s ajaxViews array entry has the correct \'view_name\' key.');
        $this->assertEquals('page_1', $drupal_settings['views']['ajaxViews'][$view_entry]['view_display_id'], 'The view\'s ajaxViews array entry has the correct \'view_display_id\' key.');
    }
    
    /**
     * Ensures that non-ajax view cannot be accessed via an ajax HTTP request.
     */
    public function testNonAjaxViewViaAjax() {
        $client = $this->getHttpClient();
        $response = $client->request('POST', $this->buildUrl('views/ajax'), [
            'form_params' => [
                'view_name' => 'test_ajax_view',
                'view_display_id' => 'default',
            ],
            'query' => [
                MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_ajax',
            ],
        ]);
        $this->assertEquals(200, $response->getStatusCode());
        $response = $client->request('POST', $this->buildUrl('views/ajax'), [
            'form_params' => [
                'view_name' => 'test_view',
                'view_display_id' => 'default',
            ],
            'query' => [
                MainContentViewSubscriber::WRAPPER_FORMAT => 'drupal_ajax',
            ],
            'http_errors' => FALSE,
        ]);
        $this->assertEquals(403, $response->getStatusCode());
    }

}